Chautauqua County Flag

Chautauqua County

State:
New York
County Seat:
Mayville

Chautauqua County's 2026 population is estimated at 122,831, reflecting a -0.52% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Chautauqua County is the 23rd largest county in New York. The 2010 population was 134,726 and has grown -8.83% since 2010.

122,831
Total Population
116
Population Density (mi²)
23
Population Rank (State)
-637 -0.52%
Annual Population Growth

Chautauqua County Population

Demographics

Economics and Income Statistics